Answer: Pakistan is a very successful countrcountry
Explanation:
True
Mucins exhibit direct microbicidal activities.
Answer: ummmmm dont know what that means but freeeeee pointssss
Explanation:
It’s true. I don’t know what else to add
The pneumatic bones are important to birds for respiration. They are hollow bones which are connected to the bird's respiratory system and are important for birds to be able to breath. Examples of pneumatic bones are the skull, humerus, clavicle, keel (sternum), pelvic girdle, and the lumbar and sacral vertebrae.